Protective effect of fosfomycin against aminoglycoside ototoxicity. 1985

I Ohtani, and K Ohtsuki, and T Aikawa, and Y Sato, and T Anzai, and J Ouchi, and T Saito

The protective effect of fosfomycin against aminoglycoside (dibekacin)-induced ototoxicity was studied in rats. Rats were injected with 100 or 50 mg/kg of dibekacin with or without 500 mg/kg of fosfomycin for 60 or 120 consecutive days. Inner ear damage appeared to be more reduced histopathologically in animals given both dibekacin and fosfomycin than in animals given dibekacin alone. Similarly, renal damage appeared to be reduced histopathologically and functionally by the combined administration of dibekacin and fosfomycin. The mechanism of reduced ototoxicity may be as follows: fosfomycin inhibits the accumulation of dibekacin in the kidney, and reduces its concentration in the kidney and serum. Consequently, the amounts of dibekacin reaching the inner ear are decreased, and ototoxicity is reduced.

UI MeSH Term Description Entries
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D007674 Kidney Diseases Pathological processes of the KIDNEY or its component tissues. Disease, Kidney,Diseases, Kidney,Kidney Disease
D007759 Labyrinth Diseases Pathological processes of the inner ear (LABYRINTH) which contains the essential apparatus of hearing (COCHLEA) and balance (SEMICIRCULAR CANALS). Inner Ear Disease,Ear Disease, Inner,Ear Diseases, Inner,Inner Ear Diseases,Labyrinth Disease
D010498 Perilymph The fluid separating the membranous labyrinth from the osseous labyrinth of the ear. It is entirely separate from the ENDOLYMPH which is contained in the membranous labyrinth. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1396, 642) Perilymphs
D011507 Proteinuria The presence of proteins in the urine, an indicator of KIDNEY DISEASES. Proteinurias
D001806 Blood Urea Nitrogen The urea concentration of the blood stated in terms of nitrogen content. Serum (plasma) urea nitrogen is approximately 12% higher than blood urea nitrogen concentration because of the greater protein content of red blood cells. Increases in blood or serum urea nitrogen are referred to as azotemia and may have prerenal, renal, or postrenal causes. (From Saunders Dictionary & Encyclopedia of Laboratory Medicine and Technology, 1984) BUN,Nitrogen, Blood Urea,Urea Nitrogen, Blood
D003051 Cochlea The part of the inner ear (LABYRINTH) that is concerned with hearing. It forms the anterior part of the labyrinth, as a snail-like structure that is situated almost horizontally anterior to the VESTIBULAR LABYRINTH. Cochleas
D003982 Dibekacin Analog of KANAMYCIN with antitubercular as well as broad-spectrum antimicrobial properties. Dideoxykanamycin B,3',4'-Dideoxykanamycin B,Dibekacin Sulfate,Dibekacin Sulphate,Dideoxykanamycine,Orbicin,3',4' Dideoxykanamycin B,B, 3',4'-Dideoxykanamycin,Sulfate, Dibekacin,Sulphate, Dibekacin
D005578 Fosfomycin An antibiotic produced by Streptomyces fradiae. Phosphonomycin,Fosfomycin Trometamol Salt,Fosfomycin Tromethamine,Monuril,Phosphomycin,Tromethamine, Fosfomycin
D006198 Hair Cells, Auditory Sensory cells in the organ of Corti, characterized by their apical stereocilia (hair-like projections). The inner and outer hair cells, as defined by their proximity to the core of spongy bone (the modiolus), change morphologically along the COCHLEA. Towards the cochlear apex, the length of hair cell bodies and their apical STEREOCILIA increase, allowing differential responses to various frequencies of sound. Auditory Hair Cells,Cochlear Hair Cells,Auditory Hair Cell,Cell, Cochlear Hair,Cells, Cochlear Hair,Cochlear Hair Cell,Hair Cell, Auditory,Hair Cell, Cochlear,Hair Cells, Cochlear

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